Category: Ideas and Articles

11 Comments

Idle power consumption

  By electrobob August 26, 2012 February 8, 2017 Ideas and Articles

How much standby power do your devices burn? I’m hacking an energy meter to be super sensitive and measure the tiniest vampire power. Continue reading

5 Comments

Digital Power Supply – Part 2: Prototype

  By electrobob February 19, 2012 February 8, 2017 Ideas and Articles, Projects

The first prototype of my digitally controlled power supply. Continue reading

4 Comments

Unlocking stuck photo filters

  By electrobob November 4, 2011 February 8, 2017 Ideas and Articles

Simple way to unlock 2 stuck photo filters with nothing but a ribbon. Continue reading

17 Comments

Digital Power Supply – Part 1: Concept

  By electrobob March 17, 2011 February 8, 2017 Ideas and Articles, Projects

Started working on a digitally controllable power supply. Continue reading

8 Comments

555 / 556 H bridge

  By electrobob February 22, 2011 February 8, 2017 Ideas and Articles, Projects

Simple H-bridge using 555’s. Continue reading

29 Comments

Toner transfer to ABS

  By electrobob December 3, 2010 February 8, 2017 Ideas and Articles, Utils

Yes, apparently you can transfer toner to ABS to make nice project boxes. Continue reading

7 Comments

Linear LED power supplies

  By electrobob March 15, 2010 February 8, 2017 Ideas and Articles

How to drive LEDs? WIth constant current supplies, of course. Continue reading